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Damsel or Dragon?

Discussion

6 replies
Posted by Alison on June 16, 2006 at 7:34 PM
Ok, I'm having trouble with the ID's of dragon/damselflies. How on earth do you tell the difference?

Took this yesterday, not sure which they are, would appreciate comments and advice on how to tell the difference.

Thanks
Alison
Posted by Justin on June 16, 2006 at 7:46 PM
Hi Alison,

I believe these are Large Red Damselflies (Pyrrhosoma nymphula).

A well seen and well captured behavioural shot.

Dragonflies are generally a lot larger and more bulky than damselflies and they generally hold their wings out to the side when resting,wheras most damselflies hold them closed and resting on top of their body.

Hope this helps.
Posted by Ben Micklem on June 17, 2006 at 4:31 AM
Also, the eyes of a dragonfly are much larger, and meet at the front and top of the head. Damselfly eyes are wide-spaced balls, giving a slightly 'hammer-head shark' appearance.

As Justin says, a great capture of this behaviour. Positioning the camera slightly lower would have kept the female's wings in sharper focus, and covering up the daisies (or picking them if this is in your garden) in the background would remove the distraction.
Posted by Mike Smith on June 17, 2006 at 8:30 AM
As Ben says the way the eyes cover the head is different, Dragon flies merge, damsels are seperate "bug eyes", also Dragon flies cannot fold their wings so at rest are alwys at 90 degrees to the body, Damsels park their wings over their body folded together.
Posted by Alison on June 17, 2006 at 10:06 AM
Thanks for the comments, I guess it's damsels I have seen this year then, don't recall seeing any dragons yet going on the description of the eyes.

Off out with the camera again in a mo so will see if I can spot any. I know there will be plenty of damsels, always are.

Thanks again for the comments.
Alison
Posted by Barrie Courtenay on June 18, 2006 at 5:58 AM
Hi Alison,nice behavioural shot of the damsels,one of my favorite subjects

Barrie :toast:
Posted by PhilH on June 19, 2006 at 3:45 AM
Good one... you already have your ID.... only minor nit is the white flower in the bg.

Well done.

:toast: